The first commented line is your dabblet’s title

dabblet.css

/**
 * The first commented line is your dabblet’s title
 */

div {
	width: 120px;
	height: 18px;
	margin: 100px;

	background: yellow;
	
	box-shadow: 0 1px 1px red;
}

dabblet.html

<div></div>

settings.json

{"view":"split-vertical","fontsize":"100","seethrough":"","prefixfree":"1","page":"all"}